I once proposed the Orioles use the cartoon logo on the cap while wearing the realistic bird as a sleeve patch and I thought I was going to be killed. People hated the concept because they couldn't accept two different representations of the same thing. I still think it's a fantastic idea. It has that old-timey baseball aesthetic of using a very detailed logo as the sleeve patch and a different logo on the cap.

Not all the ST caps follow that format. I guess my use of "secondary logo" was misleading, as I meant it to mean secondary as in a second logo, rather than necessarily referring to secondary vs primary logo designations.
Some of the caps use secondary/alternate logos, as ST caps often do. Some use the standard cap logos, only now they have another logo within.

ST caps feature cap logos containing secondary logos within. For example, the crown logo within the KC on the cap for the Royals. New material as well, as seen above. Supposed to be available for retail in February.

As a Minnesota fan I'm upset that they continue to delay a third jersey. Should've been this season, but it was scrapped. Can't do next season because of the Winter Classic, and apparently can't do the following season because of league-wide throwbacks.
Can't they just release a third jersey in the same season as the WC or throwback jersey?

Colored helmets with white sweaters can bring some fun color balance to some college hockey uniforms.
I don't think it should become the norm in the NHL, but it would be cool to see a team or two use colored helmets on the road.
Preds or Pens in yellow, Knights in gold, Stars in green.

If the Rangers want to be a blue team and a red team at the same time, the white jersey needs to have red lettering trimmed in blue. That would provide appropriate color balance when wearing a red cap or a blue cap.

Quirks I love:
-Numbers on sleeves of baseball jerseys, but only for a few teams who have a history of it: Phillies (currently), Tigers, White Sox, Athletics.
-The mismatched design of the Minnesota Vikings jerseys, as mentioned earlier in this thread.
-The mismatched shades of blue between the helmets and jerseys of the Los Angeles Rams.
-Detroit Tigers navy/white at home, navy/orange on the road, as mentioned earlier in this thread. Likewise, South Carolina baseball has traditionally worn garnet/white as the home team and black/white as the road team for College World Series appearances and I love it.
-Philadephia Flyers contrasting nameplates.
-"Nebraska Football - A Winning Tradition" patch.
-I LOVED when the Toronto Maple Leafs and Buffalo Sabres wore socks with far more stripes than were featured on the jerseys.
Quirks I dislike:
-Unnecessary striping inconsistencies, particularly the extra yellow space on the LSU football pants (and Green Bay, I believe) or the mismatched color pattern on the old Buffalo Sabres white sweaters (blue and yellow stripes are flip-flopped between the sleeve and hem).
-The Dallas Cowboys.

Serious question. What happens if a team takes the field in their regular uniforms? Surely MLB won't make them forfeit, right?
Teams got in trouble for wearing their regular caps yesterday and MLB is forcing them to wear the white and black ones today. But what happens if they don't? A fine?

The yellow between the maroon and white stripes is a terrible design choice. Don't ever do that.
The straight word mark across the front of the sweater is bad. Either arch the letters, run them diagonally, or use a logo instead.
Boring and poorly designed.

I have no idea why, and I know I really shouldn't, but I kind of like it when some teams have home and road sweaters that don't match each other. My local college hockey team used to wear home sweaters with the primary logo and road sweaters with lettering spelling out the school name and it just always made sense to me. I realize the college hockey aesthetic is different from that of the NHL, but I have a soft spot for it.
That being said, very few teams could pull that off and I don't know that this attempt by Carolina necessarily accomplishes that (mostly because of the use of CANES), but I don't hate it, as I know I probably should.

I don't necessarily dislike the black/white concept (although it is a drastic change from the previous Player's Weekend theme), but from a design standpoint these are terrible. They're completely illegible, which is a huge problem during gameplay. Stark black on white and vice-versa would be so much better. Why the hell would anyone buy this merchandise?

As I see it the Reds have five options.
1. Solid white jersey a la 1969
2. Single sleeve stripe - essentially a toned down version of the current jersey
3. Double sleeve stripe (Big Red Machine)
4. Pinstripes (1967)
5. Pinstriped vest (1960's/1990's)
Choose one of these routes, add a corresponding road jersey and a red alternate jersey and you're set. One of the unused options above could be used as a Sunday alternate. Boom. Done.

The Omaha Storm Chasers used to wear blue with gold trim at home and black with gold trim on the road. The gold tied the identity together and it was a great look. Now they wear blue all the time after black was almost entirely eliminated from their identity.